Add test for export command line option
Add test for export command line option

oscargus/jabref,motokito/jabref,oscargus/jabref,shitikanth/jabref,zellerdev/jabref,JabRef/jabref,bartsch-dev/jabref,Braunch/jabref,Braunch/jabref,JabRef/jabref,tobiasdiez/jabref,zellerdev/jabref,bartsch-dev/jabref,mredaelli/jabref,tobiasdiez/jabref,ayanai1/jabref,mairdl/jabref,Mr-DLib/jabref,motokito/jabref,Siedlerchr/jabref,bartsch-dev/jabref,mairdl/jabref,jhshinn/jabref,grimes2/jabref,grimes2/jabref,oscargus/jabref,motokito/jabref,tobiasdiez/jabref,shitikanth/jabref,oscargus/jabref,motokito/jabref,Braunch/jabref,tschechlovdev/jabref,tobiasdiez/jabref,tschechlovdev/jabref,jhshinn/jabref,ayanai1/jabref,grimes2/jabref,ayanai1/jabref,tschechlovdev/jabref,sauliusg/jabref,bartsch-dev/jabref,motokito/jabref,zellerdev/jabref,ayanai1/jabref,mairdl/jabref,jhshinn/jabref,Siedlerchr/jabref,jhshinn/jabref,zellerdev/jabref,oscargus/jabref,obraliar/jabref,zellerdev/jabref,mredaelli/jabref,mredaelli/jabref,grimes2/jabref,shitikanth/jabref,shitikanth/jabref,mredaelli/jabref,obraliar/jabref,sauliusg/jabref,obraliar/jabref,Mr-DLib/jabref,mredaelli/jabref,JabRef/jabref,Braunch/jabref,obraliar/jabref,mairdl/jabref,mairdl/jabref,Braunch/jabref,Mr-DLib/jabref,shitikanth/jabref,sauliusg/jabref,grimes2/jabref,sauliusg/jabref,Mr-DLib/jabref,jhshinn/jabref,Siedlerchr/jabref,ayanai1/jabref,tschechlovdev/jabref,bartsch-dev/jabref,JabRef/jabref,tschechlovdev/jabref,Mr-DLib/jabref,Siedlerchr/jabref,obraliar/jabref